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Finding the Fourth Proportional to 73,861.14, 101,939.13 and 42,037.86

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Solution

The fourth proportional to 73,861.14, 101,939.13 and 42,037.86 is: 58,018.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,861.14 : 101,939.13 = 42,037.86 : x
  2. Step 2: Convert to fraction form
    73,861.14/101,939.13 = 42,037.86/x
  3. Step 3: Cross multiply
    73,861.14x = 101,939.13 × 42,037.86
  4. Step 4: Simplify right side
    73,861.14x = 4,285,302,875.46
  5. Step 5: Solve for x
    x = 4,285,302,875.46/73,861.14
  6. Step 6: Final answer
    x = 58,018.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.